Patents by Inventor Lawrence E. Ruff

Lawrence E. Ruff has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Child-resistant cap torque evaluator
    Patent number: 4716772
    Abstract: A method and apparatus for loading and testing a container which is sealed with a child-resistant cap. A container cap is subjected to vertical loading and torque forces in order to determine if it can be opened by forces falling within design parameters. Both methods and apparatus are cooperatively employed to assure precise alignment of the container-under-test as well as recording resultant test data.
    Type: Grant
    Filed: April 14, 1986
    Date of Patent: January 5, 1988
    Inventors: Kenneth B. Bubeck, Lawrence E. Ruff